The trades are recorded in the blockchain by us. In order to allow for a fast and smooth execution of orders our server sends the transactions with your signature to the blockchain. This is done so there are no competing trades for the same order and allows us to offer you the user experience of a centralized exchange while having the safety of a decentralized one. Therefore the gas fee for the transaction is paid by us which is then deducted from your balance. We set the gas fee depending on the network congestion so that the transactions are executed as fast as possible. You can see the estimated gas fee when you place the order.

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